The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

The process involved in converting rubber into a thin sheet or coating it
on fabric is called
(A) Extrusion
(B) Mastication
(C) Calendaring
(D) Vulcanisation
by

1 Answer

Answer :

(C) Calendaring
by

Related questions

The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Description : The process involved in converting rubber into a thin sheet or coating it on fabric is called (A) Extrusion (B) Mastication (C) Calendaring (D) Vulcanisation

Last Answer : (C) Calendaring

Production of a hollow product by inflation of a tube or parison is called the __________ process. (A) Blow moulding (B) Calendaring (C) Extrusion (D) Injection

Description : Production of a hollow product by inflation of a tube or parison is called the __________ process. (A) Blow moulding (B) Calendaring (C) Extrusion (D) Injection

Last Answer : (A) Blow moulding

Mastication of rubber means (A) Its softening (B) A treatment to retard its deterioration due to oxidation (C) Improving its curing rate (D) Depression of its freezing point

Description : Mastication of rubber means (A) Its softening (B) A treatment to retard its deterioration due to oxidation (C) Improving its curing rate (D) Depression of its freezing point

Last Answer : (A) Its softening

In vulcanisation process, rubber can be hardened by adding - (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Description : In vulcanisation process, rubber can be hardened by adding - (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Last Answer : (3) Sulphur Explanation: In order to give more strength and more elasticity, natural rubber is heated with sulphur or sulphur compounds at 150°C temperature. Vulcanized rubber has good tensile strength.

In vulcanisation process, rubber can be hardened by adding (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Description : In vulcanisation process, rubber can be hardened by adding (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Last Answer : Sulphur

Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity

Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity

Last Answer : (D) Converts its plasticity into elasticity

Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity

Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity

Last Answer : (D) Converts its plasticity into elasticity

Vulcanisation of rubber does not increase its (A) Softness (B) Oxidation resistance (C) Weight & strength (D) Elasticity & water solubility

Description : Vulcanisation of rubber does not increase its (A) Softness (B) Oxidation resistance (C) Weight & strength (D) Elasticity & water solubility

Last Answer : (A) Softness

Vulcanisation of rubber does not increase its (A) Elasticity(B) Plasticity(C) Ductility(D) None of these

Description : Vulcanisation of rubber does not increase its (A) Elasticity (B) Plasticity (C) Ductility (D) None of these

Last Answer : (B) Plasticity

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere (B) Reduce its viscosity to permit easier processing (C) Reduce the time of vulcanisation and quantity of vulcanising agent (D) Increase its viscosity

Description : Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere (B) Reduce its viscosity to ... processing (C) Reduce the time of vulcanisation and quantity of vulcanising agent (D) Increase its viscosity

Last Answer : (B) Reduce its viscosity to permit easier processing

Vulcanisation of raw rubber makes it (A) Soft (B) Less elastic (C) Plastic (D) Tacky

Description : Vulcanisation of raw rubber makes it (A) Soft (B) Less elastic (C) Plastic (D) Tacky

Last Answer : (B) Less elastic

Most commonly used rubber vulcanisation agent is (A) Sulphur (B) Bromine (C) Platinum (D) Alumina

Description : Most commonly used rubber vulcanisation agent is (A) Sulphur (B) Bromine (C) Platinum (D) Alumina

Last Answer : (A) Sulphur

Vulcanisation of rubber decreases its (A) Tensile strength (B) Resistance to organic solvents (C) Tackiness (D) Working temperature range

Description : Vulcanisation of rubber decreases its (A) Tensile strength (B) Resistance to organic solvents (C) Tackiness (D) Working temperature range

Last Answer : (C) Tackiness

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its (A) Elasticity (B) Strength (C) Plasticity (D) Weathering characteristics

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Last Answer : (D) Weathering characteristics

__________ of rubber decreases after its vulcanisation. (A) Resistance to the action of organic solvent (B) Tackiness (C) Maximum service temperature (D) Tensile strength

Description : __________ of rubber decreases after its vulcanisation. (A) Resistance to the action of organic solvent (B) Tackiness (C) Maximum service temperature (D) Tensile strength

Last Answer : (B) Tackiness

In vulcanisation, with which the natural rubber is heated? -Do You Know?

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Last Answer : answer:

In vulcanisation of rubber,

Description : In vulcanisation of rubber,

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Which one of the following statements is not correct? Vulcanisation of rubber makes it - (1) soft and flexible (2) strong and hard (3) chemical resistant (4) withstand higher temperatures

Description : Which one of the following statements is not correct? Vulcanisation of rubber makes it - (1) soft and flexible (2) strong and hard (3) chemical resistant (4) withstand higher temperatures

Last Answer : (1) soft and flexible Explanation: In order to give more strength and more elasticity, natural rubber is heated with sulphur or sulphur compounds at 150°C temperature. Vulcanized rubber has good ... of vulcanized rubber is enhanced up to 100°C. It has good resistance to organic solvents.

In vulcanisation, with which the natural rubber is heated?

Description : In vulcanisation, with which the natural rubber is heated?

Last Answer : Sulphur

Which one of the following statements is not correct? Vulcanisation of rubber makes it (1) soft and flexible (2) strong and hard (3) chemical resistant (4) withstand higher temperatures

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Last Answer : soft and flexible

Fluorescent dyes are added in detergents to (A) Act as fabric brightener (by converting ultraviolet light to visible light) thereby improving the whiteness appearance of white fabrics (B) Attain distinctiveness from other brands (C) Act as tarnish inhibitor for metals like German silver (D) None of these

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What are the methods of converting yarn into fabric?

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The mechanism involved in the removal of metal in drilling operation is by (A) Compression (B) Extrusion (C) Shearing (D) Both 'b' & 'c'

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Are leather couches easier to maintain than ones with a fabric coating?

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The method of protecting iron from rusting, by coating a thin layer of Zinc is called - (1) Galvanizing (2) rancidity (3) Alloy (4) Pulverizing

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Galvanized iron has a thin coating of : -General Knowledge

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Steel pipes are normally manufactured by __________ process. (A) Extrusion (B) Cold working (C) Forging (D) Electroforming

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What could happen if the rubber coating on a power cable is damaged?

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The cranial nerve that is responsible for facial sensation and corneal reflex is the _____________________ nerve. a) trigeminal The trigeminal (V) cranial nerve is also responsible for mastication.

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In studies of humans, the term used to describe th act of swallowing is: a) mastication b) deglutition c) peristalsis d) none of these

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Direct Extrusion process

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